Automatic gluing and folding mechanism for paper bag machine

CN223559195UActive Publication Date: 2025-11-18SHANGHAO PACKAGING MASCH (ZHENJIANG) CO LTD
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Patent Information

Application Number
CN202423213869.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-18
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

In the current paper bag production process, manual or semi-automatic gluing and folding methods are slow, have poor packaging stability, and are prone to damage and waste of resources. In addition, traditional equipment cannot ensure the stability and integrity of paper bags when stacked.

Method used

Design an automatic gluing and folding mechanism for paper bag machines, comprising multiple folding components and gluing assembly. The mechanism achieves fully automatic folding and gluing through an automatic control program. The angled push plate reduces paper damage and improves folding accuracy and consistency.

Benefits of technology

It enables highly efficient and automated packaging of paper bags, improves production speed and work efficiency, reduces paper damage, and ensures the stability and neatness of paper bags.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic gluing and folding mechanism for a paper bag machine, which belongs to the technical field of paper bag packaging and comprises a folding component, a guide plate, a first folding part, a second folding part, a third folding part, a fourth folding part and a gluing component. The first folding piece comprises a locking plate and a first air cylinder; the second folding piece comprises a vertical plate, a second air cylinder and a first pushing plate; the third folding piece comprises an upper base, a downward folding plate and an upward folding plate; the fourth folding piece comprises a sliding table, a third air cylinder and a second pushing plate. According to the automatic gluing and folding mechanism for the paper bag machine, different areas of a paper bag are controlled through the multiple folding pieces correspondingly, the gluing assembly is arranged, full-automatic folding and gluing are achieved, the packaging speed and the working efficiency are remarkably improved, paper damage is effectively reduced through the pushing and closing plate designed in an oblique angle mode, extrusion and creases caused by traditional right-angle pushing and closing are avoided, and the packaging quality is improved. The folding direction is smoothly guided, precision and consistency are improved, and production stability is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to paper bag packaging technical field, especially a kind of automatic gluing folding mechanism for paper bag machine. BACKGROUND

[0002] In modern packaging and logistics industry, paper bag is widely used due to its superior environmental performance. With the rapid development of e-commerce and logistics distribution, the production and subsequent processing links of paper bag are facing new challenges, especially the demand for automatic stacking, gluing, folding and packaging of paper bag is increasingly urgent.

[0003] After production, paper bag usually needs to be packed and packaged to facilitate storage and transportation. However, due to the lightness and softness of paper bag, the stacked paper bag is prone to dispersion and tilting, which makes the stability insufficient during packing. Traditional manual or semi-automatic methods are not enough to meet the demand of paper bag packing, and are prone to damage and waste of resources. In addition, manual operation may cause uneven stacking and insecure packaging of paper bag, which directly affects the efficiency of subsequent logistics processing and the overall quality of products. The existing packing equipment usually uses fixed wrapping paper and rotates the object to be packed, which is not effective in handling paper bag stacks prone to scattering, and it is difficult to ensure the stability and integrity of packaging. Therefore, we propose an automatic gluing and folding mechanism for paper bag machine to solve the above problems. SUMMARY

[0004] The utility model aims at providing an automatic gluing and folding mechanism for paper bag machine to solve the problems of slow production speed and poor packing stability of existing manual or semi-automatic paper bag gluing and folding methods.

[0005] To solve the above technical problems, the utility model provides an automatic gluing and folding mechanism for paper bag machine, which includes a folding assembly, the folding assembly includes a guide plate, a first folding piece, a second folding piece, a third folding piece and a fourth folding piece arranged on one side of the guide plate;

[0006] The first folding piece includes a locking plate arranged on one side of the guide plate and a first air cylinder arranged on one side of the locking plate, the first air cylinder is fixedly installed at the bottom of the guide plate, and is used to drive the locking plate to fold;

[0007] The second folding piece includes a vertical plate arranged on both sides of the guide plate, a second air cylinder arranged on one side of the vertical plate and a first push plate driven by the second air cylinder;

[0008] The third folding piece comprises an upper base arranged on the top of the guide plate, a downward folding plate arranged below the upper base, and an upward folding plate arranged on one side of the guide plate.

[0009] The fourth folding piece comprises a sliding table arranged on one side of the guide plate, a pair of third cylinders arranged on one side of the sliding table, and a second pushing and combining plate driven by the third cylinders.

[0010] The glue applying assembly comprises a first glue applying piece arranged on one side of the locking plate, and a second glue applying piece arranged on one side of the vertical plate.

[0011] Preferably, the locking plate is hinged on the guide plate and can be folded upward by 90 degrees by the first cylinder.

[0012] Preferably, the first pushing and combining plate is arranged at an angle of 5-10 degrees with respect to the vertical plate, and can clamp the paper bag from both sides during pushing and combining.

[0013] Preferably, the downward folding plate and the upward folding plate are driven by a driving motor and can rotate upward or downward from both sides towards the corresponding direction of the paper bag, so as to adhere and lock the wrapping paper to the paper bag.

[0014] Preferably, the third cylinders form an angle of 5-10 degrees opposite to the guide plate, and can clamp the paper bag from both sides during pushing and combining.

[0015] Compared with the prior art, the automatic glue applying and folding mechanism for the paper bag machine has the following beneficial effects:

[0016] 1. The automatic glue applying and folding mechanism for the paper bag machine can control different areas of the paper bag folding through multiple folding pieces, and glue applying assemblies are arranged at corresponding positions, so that the mechanism can realize automatic folding and glue applying through automatic control program, reduce manual intervention, simplify the operation process, improve the packaging speed of the paper bag, and greatly improve the work efficiency.

[0017] 2. The automatic glue applying and folding mechanism for the paper bag machine adopts an oblique angle design on the two pairs of pushing and combining plates, which can effectively reduce the damage to the paper when pushing and combining the wrapping paper of the paper bag on both sides, the traditional right-angle pushing and combining may cause strong extrusion and creases on the paper, the oblique angle can also guide the folding direction of the paper bag, make the folding more smooth, reduce the possibility of paper jam or obstruction in the production process, and thus ensure the accuracy and consistency of the paper bag folding. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a whole structure schematic view of the automatic glue applying and folding mechanism for the paper bag machine.

[0019] Fig. 2It is the front view of an automatic gluing and folding mechanism for a paper bag machine provided by the utility model;

[0020] In the figure: 1, folding assembly; 101, guide plate; 102, first folding piece; 102a, locking plate; 102b, first air cylinder; 103, second folding piece; 103a, vertical plate; 103b, second air cylinder; 103c, first push plate; 104, third folding piece; 104a, upper base; 104b, downward folding plate; 104c, upward folding plate; 104d, driving motor; 105, fourth folding piece; 105a, sliding table; 105b, third air cylinder; 105c, second push plate; 2, gluing assembly; 201, first gluing piece; 202, second gluing piece. DETAILED DESCRIPTION

[0021] The utility model makes further detailed description in combination with the drawings and specific embodiments. The advantages and features of the utility model will be more apparent according to the following description and claims. It should be noted that the drawings all adopt very simplified form and all use non-precise proportion, only to facilitate, clearly assist the purpose of description of the utility model embodiment.

[0022] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances. EMBODIMENT

[0024] The utility model provides a kind of automatic gluing folding mechanism for paper bag machine, please refer to Figs. 1-2 Including folding assembly 1, the folding assembly 1 includes guide plate 101, and first folding piece 102, second folding piece 103, third folding piece 104 and fourth folding piece 105 are arranged in the first folding piece 102 The first folding piece 102 includes the locking plate 102a arranged in the guide plate 101 side, and the first cylinder 102b is arranged in the locking plate 102a side, and the first cylinder 102b is fixedly installed in the bottom of the guide plate 101, for driving locking plate 102a folding;The second folding piece 103 includes the vertical plate 103a arranged in the guide plate 101 both sides, the second cylinder 103b is arranged in the vertical plate 103a side, and the first push plate 103c is driven by the second cylinder 103b;The third folding piece 104 includes the upper base 104a arranged in the guide plate 101 top, the downward folding plate 104b arranged below the upper base 104a, and the upward folding plate 104c arranged in the guide plate 101 side;The fourth folding piece 105 includes the slide table 105a arranged in the guide plate 101 side, a pair of third cylinders 105b is arranged in the slide table 105a side, and the second push plate 105c is driven by the third cylinder 105b;Gluing assembly 2, the gluing assembly 2 includes the first gluing piece 201 arranged in the locking plate 102a side, and the second gluing piece 202 is arranged in the vertical plate 103a side.

[0025] The locking plate 102a is hinged on the guide plate 101, and can be folded by 90 degrees upwards by the first cylinder 102b;The first push plate 103c is inclinedly arranged at 5~10 degrees angle relative to vertical plate, and can clamp paper bag from both sides when pushing;The downward folding plate 104b and the upward folding plate 104c are driven by driving motor 104d, can rotate upwards or downwards from both sides to the corresponding direction of paper bag, and the wrapping paper is adhered and locked to paper bag;The included angle between the third cylinder 105b is 5~10 degrees opposite to the guide plate 101, and can clamp paper bag from both sides when pushing.

[0026] It should be noted that the guide plate 101 is used for placing paper bag stack, and the paper bag stack is stacked by stacking machine and transported to the guide plate 101, and a layer of wrapping paper has been laid on the guide plate 101 before this, and the wrapping paper is transported to the upper side of the guide plate 101 by winding drum, when the paper bag stack is placed on the guide plate 101, the wrapping paper is wrapped around the paper bag stack to press the bottom, back and upper surface of the paper bag.

[0027] The specific use process is as follows: the paper bag stack after stacking is divided into front X, back Y, left Z, right U, top V and bottom W, wherein the front X faces the slide direction, the left Z and the right U face the two side vertical plates 103a, when the guide plate is placed, the bottom W, the back Y and the top V are in a wrapping state, the front X, the left Z and the right U are in an open unwrapped state, before folding, the locking plate 102a is flush with the position of the guide plate 101, part of the wrapping paper is left above the locking plate 102a, the first glue applying part 201 is started, the glue is evenly applied horizontally on the surface of the wrapping paper X, then the first air cylinder 102b is started, the first air cylinder 102b pushes the locking plate 102a to fold 90 degrees through the crank mechanism, the wrapping paper on the locking plate 102a is bent to the front X of the paper bag stack, so that the wrapping paper is tightly attached to the paper bag stack, and the paper bag stack front X is glued; then the second air cylinders 103b on the two sides are started, the first push plate 103c is synchronously driven to slide along the track of the second air cylinder 103b, the wrapping paper on the back Y is pushed to the side until the wrapping paper is tightly attached to and locked with the side of the paper bag stack, the second glue applying part 202 on the two sides is started, the glue is evenly applied on the two sides of the wrapping paper from top to bottom along the side of the wrapping paper, the downward folding plate 104b and the upward folding plate 104c are simultaneously driven, the two sides of the folding plate are in a triangular shape and cover the two sides of the wrapping paper, the upper and lower wrapping bags are in contact with the glue surface, the third air cylinder 105b is started, the second push plate 105c is driven, the wrapping paper on the front X is pushed to the side and covers the wrapping paper on the side, and is also in contact with the glue surface, and the left Z and the right U paper bags are glued; then the folding plate is pulled out, and the device is reset.

[0028] In conclusion, the automatic glue applying and folding mechanism for the paper bag machine can control different areas of the paper bag folding through multiple folding parts, and glue applying components are arranged at corresponding positions, the mechanism can realize automatic folding and glue applying through automatic control program, manual intervention is reduced, the operation process is simplified, the paper bag packaging speed is improved, and the work efficiency is greatly improved; in addition, the two pairs of push plates are designed in an inclined angle, which can effectively reduce the damage to the paper when the wrapping paper on the two sides of the paper bag is pushed, the traditional right-angle push may cause strong extrusion and creases on the paper, the inclined angle can also guide the folding direction of the paper bag, so that the folding is smoother, the paper jam or obstruction in the production process is reduced, and the folding precision and consistency of the paper bag are ensured.

[0029] The above description is only a description of the preferred embodiment of the utility model, and does not limit the scope of the utility model, any change or modification made by the ordinary skilled in the art according to the above disclosure is within the protection scope of the claims.

Claims

1. An automatic glue-applying and folding mechanism for a paper bag machine, characterized in that, include, Folding assembly (1), the folding assembly (1) includes a guide plate (101), and a first folding member (102), a second folding member (103), a third folding member (104) disposed on one side of the guide plate (101), and a fourth folding member (105). The first folding member (102) includes a locking plate (102a) disposed on one side of the guide plate (101) and a first cylinder (102b) disposed on one side of the locking plate (102a). The first cylinder (102b) is fixedly installed at the bottom of the guide plate (101) and is used to drive the locking plate (102a) to fold. The second folding member (103) includes upright plates (103a) disposed on both sides of the guide plate (101), a second cylinder (103b) disposed on one side of the upright plate (103a), and a first push-close plate (103c) driven by the second cylinder (103b). The third folding member (104) includes an upper base (104a) disposed on the top of the guide plate (101), a downward folding plate (104b) disposed below the upper base (104a), and an upward folding plate (104c) disposed on one side of the guide plate (101). The fourth folding member (105) includes a slide (105a) disposed on one side of the guide plate (101), a pair of third cylinders (105b) disposed on one side of the slide (105a), and a second push plate (105c) driven by the third cylinders (105b). The adhesive application assembly (2) includes a first adhesive application component (201) disposed on one side of the locking plate (102a) and a second adhesive application component (202) disposed on one side of the upright plate (103a).

2. The automatic gluing and folding mechanism for a paper bag machine as described in claim 1, characterized in that, The locking plate (102a) is hinged to the guide plate (101) and can be folded upwards by 90 degrees driven by the first cylinder (102b).

3. The automatic gluing and folding mechanism for a paper bag machine as described in claim 1, characterized in that, The first push-closing plate (103c) is inclined at an angle of 5 to 10 degrees relative to the upright plate, and can clamp the paper bag from both sides when pushing and closing.

4. The automatic gluing and folding mechanism for a paper bag machine as described in claim 1, characterized in that, The downward folding plate (104b) and the upward folding plate (104c) are driven by a drive motor (104d) and can rotate upward or downward from both sides in the corresponding direction of the paper bag to attach the packaging paper to and lock the paper bag.

5. An automatic gluing and folding mechanism for a paper bag machine as described in claim 3, characterized in that, The third cylinders (105b) form an angle of 5 to 10 degrees opposite to the guide plate (101) and can clamp the paper bag from both sides when they are pushed together.